Mathematics

Problem

The three sides of a triangular garden are given by the polynomials

(3x^2 - 2x + 5)\,\text{m}

(2x^2 + 4x - 7)\,\text{m}

and

(5 - x^2 - 6x)\,\text{m}

. a. (i) Find an expression for the perimeter of the garden and simplify it completely. b. (ii) If

x = 2

, calculate the numerical value of the perimeter.